1- If a substance such as a lipid isn’t soluble in water it might be described as (????) -Hydrophilic -Hydrophobic ------------------------------------------------------------------------------- 2- intercellular structures that have specific functions and are distinct from the cytosol are (????).   -Microprocessors -Viruses -Organelles -Desmosomes ----------------------------------------------------------------------------------- 3-  (????) are a class of lipid characterized by a carbon skeleton consisting of four fused rings. These lipids play vital roles as hormones.   -Phospholipids -Ligands -Steroids -Hydrocarbons

C-C-C-C-C-C-C-4 Y 2:56 Lab 11 - Lipids Work... Name: Pd: Lipids Worksheet 1. Are lipids organic molecules? Why or why not? 2. What elements do lipids contain? 1. 2. 3. 3. Many lipids are formed by the attachment of three: a. Fatty acids to glycerol b. Hydroxyl groups to glycerol c. Cholesterols d. Fatty acids to a carboxyl group 4. Label the below lipids as either saturated or unsaturated. HH H H HH H H H НННН НН HHH III IIII II -C- C-C-H IH H H H HHH HH HHHHH 5. Ifa lipid molecule contains at least one, it is UNsaturated. 6. Label the parts of the below lipid molecule. Is this a saturated or unsaturated lipid? H H H H C- C- C-c- c-c- c-c- c-H H H. H нн 7. Lipids are found in: а. Вread b. Meat c. Oils/Fats/Waxes d. Chocolate 8. Give an example of an UNsaturated lipid in your diet: 9. Give an example of an saturated lipid in your diet: 10. Why are lipids "waterproof"? 11. Give an example that illustrates lipids being waterproof. 12. Label the polar and non-polar ends of the…

Tell the right ans 4and 5

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pls answer the following question

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Please help with these quickly.

31: Different amino acids are distinguished by a) the composition of their side chains, or ‘R-groups’ b) the location of their fatty acid group c) the location of their amino group d) their ability to form covalent t bonds with ions.

ans. part b

Multiple Choice   1-(????) are biological catalysts, and are often proteins. -Enzymes -Substrates -Solutes -Nucleotides --------------------------------------------------------------------------- 2- Hydrogen bonds hold water together - keeping it liquid at standard temperature and pressure - in a phenomenon called (????).   -Condensation -Adhesion -Cohesion -Abhesion ---------------------------------------------------------------------------- 3- If a substance has a pH of 2, you would expect it to have (????) hydronium ions than pure water? -Fewer -More     Thanks a million!